# getBlockCount()

**Method Signature**

```python
def getBlockCount(self, blockchain)
```

**Parameters**

| Name         | Type                  | Description        |
| ------------ | --------------------- | ------------------ |
| `blockchain` | string or hexadecimal | Blockchain address |

**Example**

<pre class="language-python"><code class="lang-python"><strong>from circular_protocol_api import CircularProtocolAPI
</strong><strong>
</strong><strong>blockhain = 0x8a20baa40c45dc5055aeb26197c203e576ef389d9acb171bd62da11dc5ad72b2
</strong>
result = circular.getBlockCount(blockchain)
</code></pre>

**Result**

{% tabs %}
{% tab title="200" %}

```json
{
    "Result": 200,
    "Response": {
        "BlockCount": 4554
    },
    "Node": "02fc8b01bfc5dc2911941871e6de81f5f6fe60f3961343f802ad78e7e077ea32"
}
```

{% endtab %}

{% tab title="118" %}
Wrong blockchain address:

```json
{
    "Result": 118,
    "Response": "Wrong Format",
    "Node": "7bb5bd50729d6857942701d5673ea70ca1625f883230d8543970a452d1abe1c4"
}
```

{% endtab %}
{% endtabs %}